<template>
  <el-container class="home-container">
    <el-header>
        <div>
            <img src="../assets/jn.png" alt="">
            <span>电商后台管理系统</span>
        </div>
        <el-button type="info" @click="loginout">退出</el-button>
    </el-header>
    <el-container>

        <el-aside :width="isCollapse ? '64px' :'200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
            <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" :unique-opened="true" :collapse="isCollapse" :collapse-transition="false" :router="true" :default-active="activePath">
                <!--一级菜单-->
                <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
                    <!--一级菜单的模板区域-->
                    <template slot="title">
                    <!--图标-->
                    <i :class="iconsObj[item.id]"></i>
                    <!--文本-->
                    <span>{{item.authName}}</span>
                    </template>
                    <!--二级菜单-->
                    <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/'+subItem.path)">
                        <template slot="title">
                        <!--图标-->
                        <i class="el-icon-menu"></i>
                        <!--文本-->
                        <span>{{subItem.authName}}</span>
                    </template>
                    </el-menu-item>
                </el-submenu>
            </el-menu>
        </el-aside>
        <el-main>
            <router-view></router-view>
        </el-main>
  </el-container>
</el-container>
</template>
<script>
export default {
  name: 'home',
  data() {
    return {
        menulist:[],
        iconsObj:{
            '125':'iconfont el-icon-s-check',
            '103':'iconfont el-icon-s-ticket',
            '101':'iconfont el-icon-s-shop',
            '102':'iconfont el-icon-s-order',
            '145':'iconfont el-icon-s-platform'
        },
        isCollapse:false,
        activePath:''
    }
  },
  methods: {
    loginout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList(){
      const{data:res}= await this.$http.get('menus')
      if(res.meta.status!=200) return this.$message.error(res.meta.msg)
      this.menulist=res.data
      console.log(res)
    },
    toggleCollapse(){
        this.isCollapse=!this.isCollapse
    },
    saveNavState(activePath){
        window.sessionStorage.setItem('activePath',activePath)
        this.activePath=activePath
    }
  },
  created(){
      this.getMenuList();
      this.activePath=window.sessionStorage.getItem('activePath');
  }
}
</script>
<style lang="less" scoped>
.home-container{
    height: 100%;
}
.el-header{
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    color: #fff;
    font-size: 20px;
    >div{
        display: flex;
        align-items: center;
        span{
            margin-left: 15px;
        }
    }
}
.el-aside{
    background-color: #333744;
    .el-menu{
        border-right: none;
        .iconfont{
            margin-right: 10px;
    }
    }
}
.el-main{
    background-color: #eaedf1;
}
.toggle-button{
    background-color: #4A5064;
    font-size: 10px;
    line-height: 24px;
    color: #fff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
}

</style>